Kazuhiro Omori, Kohei Furukawa, Masatoshi Usubuchi, Tomofumi Hamada, Tadahiko Shien, Michihiro Yoshida, Yuki Nakatsuka, Katsuyuki Hotta, Soichiro Ibaragi, Shogo Takashiba. "A multicenter, randomized, parallel-group confirmatory study protocol to evaluate the efficacy of Soft Protector CPC, a novel oral mucosal protectant, in preventing oral mucositis and alleviating pain in patients with breast cancer." PLoS ONE, 2026. doi:10.1371/journal.pone.0350803